149819822 has 8 divisors (see below), whose sum is σ = 230211072. Its totient is φ = 73082800.

The previous prime is 149819809. The next prime is 149819833. The reversal of 149819822 is 228918941.

149819822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×149819822² = 44891958128223368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913454 + ... + 913617.

It is an arithmetic number, because the mean of its divisors is an integer number (28776384).

Almost surely, 2^149819822 is an apocalyptic number.

149819822 is a deficient number, since it is larger than the sum of its proper divisors (80391250).

149819822 is a wasteful number, since it uses less digits than its factorization.

149819822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827114.

The product of its digits is 82944, while the sum is 44.

The square root of 149819822 is about 12240.0907676373. The cubic root of 149819822 is about 531.1164574694.

The spelling of 149819822 in words is "one hundred forty-nine million, eight hundred nineteen thousand, eight hundred twenty-two".